[  522.125856] bond0: (slave eth0): making interface the new active one
[  522.125926] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.289221] bond0: (slave eth0): Releasing backup interface
[  526.368321] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.517492] bond0: (slave eth0): Releasing backup interface
[  530.553886] bond0 (unregistering): Released all slaves